voilier-team-1/implementation/accelerometer.c

#include "stm32f10x.h"
#include "accelerometer.h"
#include "MySPI.h"
#include "gpio.h"

void accelerometre(void)
{
	int dataX ;
	float GX ;
	int dataY ;
	float GY;
	int dataZ ;
	float GZ;
	
	char testReg;
	MySPI_Init(SPI1);
	
	MySPI_Clear_NSS(); //CS LOW
	MySPI_Send(0x2D);//Registre Auto_sleep + Write + measure a 1
	MySPI_Send(0x08);// d<>sactive 
	MySPI_Set_NSS();//CS HIGH
	
	MySPI_Clear_NSS(); //CS LOW
	MySPI_Send(0xAD);// regisstre 0x2D en lecture 
	testReg = MySPI_Read(); // lecture de la valeur du registre
	MySPI_Set_NSS();//CS HIGH
	
	
	MySPI_Clear_NSS(); //CS LOW
	MySPI_Send(0X2C);//Registre power consuption + Write
	MySPI_Send(0X1A);//Param<61>trage hors low consumption + 100Hz output data rate
	MySPI_Set_NSS();//CS HIGH
	
	MySPI_Clear_NSS(); //CS LOW
	MySPI_Send(0x31);//registre Data format + write
	MySPI_Send(0x17);//
	MySPI_Set_NSS();//CS HIGH
	
	MySPI_Clear_NSS(); //CS LOW
	MySPI_Send(0xF2);
	dataX = MySPI_Read()<<8;
	dataX |= MySPI_Read();
	dataX &= 0xE;
	GX = dataX*0.004;
	dataY = MySPI_Read()<<8;
	dataY |= MySPI_Read();
	dataY &= 0xE;
	GY = dataY*0.004;
	dataZ = MySPI_Read()<<8;
	dataZ |= MySPI_Read();
	dataZ &= 0xE;
	GZ = dataZ*0.004;
	MySPI_Set_NSS();//CS HIGH
	
	
	
}